CN111997996A - Novel mechanical guide rail type one-dimensional linear motion platform - Google Patents

Novel mechanical guide rail type one-dimensional linear motion platform Download PDF

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Publication number
CN111997996A
CN111997996A CN202010779966.5A CN202010779966A CN111997996A CN 111997996 A CN111997996 A CN 111997996A CN 202010779966 A CN202010779966 A CN 202010779966A CN 111997996 A CN111997996 A CN 111997996A
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CN
China
Prior art keywords
guide rail
motion platform
base
dimensional linear
linear motion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010779966.5A
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Chinese (zh)
Inventor
苏丽云
杨志军
黄晓鸿
黄瑞锐
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Guangdong University of Technology
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Guangdong University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong University of Technology filed Critical Guangdong University of Technology
Priority to CN202010779966.5A priority Critical patent/CN111997996A/en
Publication of CN111997996A publication Critical patent/CN111997996A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/043—Ball or roller bearings with two massive rectangular rails having facing grooves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

The invention provides a novel mechanical guide rail type one-dimensional linear motion platform which comprises a guide rail, a sliding block, a motion platform, a driving assembly and a detection assembly, wherein the sliding block is arranged on the guide rail; the guide rail is arranged on the base, the motion platform slides on the mechanical guide rail through the sliding block, the driving assembly is used for driving the motion platform to slide, and the detection assembly is used for detecting the displacement and the speed of the motion platform; the guide rail includes the guide rail body, and the guide rail body is fixed on the base, and the guide rail body includes: a first surface facing the slider; the second surface and the third surface are adjacent to the first surface, and the positions, far away from the base, of the second surface and the third surface are provided with protruding parts used for installing rolling components in the sliding block; and a fourth surface opposite to the first surface and facing the base; the fourth surface is provided with a blind hole, the base is provided with a through hole at a position corresponding to the blind hole, and the bolt penetrates through the through hole and is inserted into the blind hole, so that the guide rail body is fixed on the base.

Description

Novel mechanical guide rail type one-dimensional linear motion platform
Technical Field
The invention belongs to the technical field of high-speed motion platforms, and particularly relates to a novel mechanical guide rail type one-dimensional linear motion platform.
Background
The motion platform is a core component of mechanical equipment. The mechanical guide rail type motion platform is widely applied to equipment such as electronic manufacturing, laser processing and the like due to high acceleration performance. However, the accuracy of the motion platform is limited due to the influence of rail friction and non-uniformity of stiffness.
The existing mechanical guide rail of a high-speed motion platform generally adopts uniformly distributed screw holes to realize the connection of the guide rail and a motion platform base. However, the rigidity of the guide rail is reduced by the screw holes, the periodic variation of the rigidity is caused by uniformly distributing the screw holes, and periodic vibration excitation to the moving platform is formed in the moving process, so that the speed fluctuation in the moving process is caused. Thereby reducing the accuracy of the platform.
Therefore, the application provides a novel mechanical guide rail type one-dimensional linear motion platform capable of effectively reducing speed fluctuation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a novel mechanical guide rail type one-dimensional linear motion platform which comprises a base, a guide rail, a sliding block, a motion platform, a driving assembly and a detection assembly, wherein the guide rail is arranged on the base;
the guide rail is installed on the base, the motion platform slides on the mechanical guide rail through the sliding block, the driving assembly is used for driving the motion platform to slide, and the detection assembly is used for detecting the displacement and the speed of the motion platform;
the guide rail includes the guide rail body, the guide rail body is fixed on the base, the guide rail body includes:
a first surface facing the slider;
second and third surfaces, each adjacent to the first surface, the second and third surfaces each having a raised portion at a location remote from the base for mounting a rolling element in the slider; and
a fourth surface opposite to the first surface and facing the base;
the fourth surface is provided with a blind hole, a through hole is formed in the position, corresponding to the blind hole, of the base, and a bolt penetrates through the through hole and is inserted into the blind hole, so that the guide rail body is fixed to the base.
Optionally, the drive assembly comprises a motor mover and a motor stator; the motor rotor is fixedly connected with the motion platform and used for driving the motion platform to slide.
Optionally, the detection assembly includes a fixing plate, a detection head and a scale element, the detection head is fixed at the bottom of the motion platform through the fixing plate, the scale element is fixed on the base, and the detection head detects the displacement and the speed of the motion platform relative to the base.
Optionally, the number of the mechanical guide rails is 2, and the mechanical guide rails are respectively fixed on two sides of the base.
Optionally, the novel mechanical guide rail type one-dimensional linear motion platform further comprises a buffer part, wherein the buffer part is arranged at the edge of the base, is close to the driving assembly, and is used for buffering the motion platform moving to the edge.
Optionally, the projection has a curved mounting surface that mates with a surface of the rolling member to form a surface contact.
Optionally, the second and third surfaces are further provided with mounting grooves for facilitating mounting of the slider.
The embodiment of the application has the following beneficial effects: the application provides a machinery guide tracked one-dimensional linear motion platform, and this platform has adopted neotype novel mechanical guide rail structure, has effectively avoided the speed fluctuation because of the installation of guide rail on the base brings, has improved motion platform's precision.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a linear motion platform according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of the structure of FIG. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 2;
fig. 4 is a schematic view showing the structure of a guide rail and a base in the embodiment of the present invention.
In the drawings:
1-a motion platform; 2-a base; 201-a through hole; 202-a baffle; 3-a drive assembly; 301-motor mover; 302-a motor stator; 4-a detection component; 401-fixing plate; 402-a detection head; 403-a scale element; 5-a slide block; 6-a guide rail; 6 a-a guide rail body; 6 b-bolt; 601-a first surface; 602-a second surface; 603-a third surface; 604-a fourth surface; 605-a boss; 606-mounting a curved surface; 607-mounting groove; 608-blind hole; 7-buffer member.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
The terms "first," "second," "third," and the like in the description and in the claims of this application are used for distinguishing technical features of similar names, and are not intended to indicate any importance or order, nor are they intended to limit the number.
As used in the specification and claims of this application, directional terms, such as "upper," "lower," "left," "right," and the like, refer to those terms as oriented in the particular direction and configuration of the product, as viewed in the drawing figures. These orientations are merely used to illustrate the relative positions of the various components of the product and are not intended to limit the scope of the claims herein.
The technical solution of the present invention is described in detail with specific examples below.
As shown in fig. 1-3, a novel mechanical guide rail type one-dimensional linear motion platform comprises a motion platform 1, a base 2, a driving assembly 3, a detection assembly 4, a slide block 5 and a guide rail 6.
The guide rail 6 is a mechanical guide rail and is installed on the base, the moving platform 1 slides on the mechanical guide rail 6 through the sliding block 5, the driving component 3 is used for driving the moving platform 1 to slide, and the detection component 4 is used for detecting the displacement and the speed of the moving platform 1.
The guide rail 6 includes a guide rail body 6a, the guide rail body 6a is fixed on the base 2, the guide rail body 6a includes:
a first surface 601, said first surface 601 facing said slider 5;
second and third surfaces 602 and 603, said second and third surfaces 602 and 603 each being adjacent to said first surface 601, said second and third surfaces 602 and 603 each having a boss 605 at a location remote from said base 2, said bosses 605 being for mounting rolling elements (not shown) in said slider 5; and
a fourth surface 604, said fourth surface 604 being opposite said first surface 601 and facing said base 2.
The fourth surface 604 is provided with a blind hole 608, a through hole 201 is provided on the base 2 at a position corresponding to the blind hole 608, and a bolt 6b passes through the through hole 201 and is inserted into the blind hole 608, so as to fix the guide rail body 6a to the base 2.
According to the invention, the installation through holes are arranged on the base 2, and the blind holes are arranged on the guide rail body, so that the guide rail is really designed into a novel mechanical guide rail, the speed fluctuation caused by guide rail installation is avoided, and the precision of the motion platform is improved.
Specifically, as shown in fig. 1 and 2, the driving assembly 3 includes a motor mover 301 and a motor stator 302. The motor rotor 301 is fixedly connected with the motion platform 1 and used for driving the motion platform 1 to slide.
As shown in fig. 2, the detecting assembly 4 includes a fixing plate 401, a detecting head 402 and a scale member 403, the detecting head 402 is fixed at the bottom of the moving platform 1 through the fixing plate 401, the scale member 403 is fixed on the base 2, and the detecting head 402 detects the displacement and the speed of the moving platform 1 relative to the base 2.
As shown in fig. 2, the number of the mechanical guide rails is 2, and the mechanical guide rails are respectively fixed on both sides of the base.
Further, as shown in fig. 1, the novel mechanical guide rail type one-dimensional linear motion platform further includes a buffer component 7, and the buffer component 7 is disposed on the baffle 202 and is used for buffering the motion platform 1 moving to the edge. The baffles 202 are respectively disposed at both ends of the base 2 and are perpendicular to the base 2.
Further, as shown in fig. 3, the convex portion 605 has a curved mounting surface 606, and the curved mounting surface 606 is matched with the surface of the rolling component to form a surface contact, which can significantly improve the rigidity of the guide rail, thereby providing the loading capacity of the moving platform.
Further, as shown in fig. 3, the second and third surfaces are further provided with mounting grooves 607 for facilitating the mounting of the sliding block 5.
According to the invention, the installation through holes are arranged on the base 2, and the blind holes are arranged on the guide rail body, so that the guide rail is really designed into a novel mechanical guide rail, the speed fluctuation caused by guide rail installation is avoided, and the precision of the motion platform is improved.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. A novel mechanical guide rail type one-dimensional linear motion platform is characterized by comprising a base, a guide rail, a sliding block, a motion platform, a driving assembly and a detection assembly;
the guide rail is installed on the base, the moving platform slides on the guide rail through the sliding block, the driving assembly is used for driving the moving platform to slide, and the detection assembly is used for detecting the displacement and the speed of the moving platform;
the guide rail includes the guide rail body, the guide rail body is fixed on the base, the guide rail body includes:
a first surface facing the slider;
second and third surfaces, each adjacent to the first surface, the second and third surfaces each having a raised portion at a location remote from the base for mounting a rolling element in the slider; and
a fourth surface opposite to the first surface and facing the base;
the fourth surface is provided with a blind hole, a through hole is formed in the position, corresponding to the blind hole, of the base, and a bolt penetrates through the through hole and is inserted into the blind hole, so that the guide rail body is fixed to the base.
2. The novel mechanical guide rail type one-dimensional linear motion platform as claimed in claim 1, wherein the driving assembly comprises a motor rotor and a motor stator; the motor rotor is fixedly connected with the motion platform and used for driving the motion platform to slide.
3. The novel mechanical guide rail type one-dimensional linear motion platform as claimed in claim 1, wherein the detection assembly comprises a fixed plate, a detection head and a scale element, the detection head is fixed at the bottom of the motion platform through the fixed plate, the scale element is fixed on the base, and the detection head detects the displacement and the speed of the motion platform relative to the base.
4. The novel mechanical guide rail type one-dimensional linear motion platform as claimed in claim 1, wherein the number of the guide rails is 2, and the guide rails are respectively fixed on two sides of the base.
5. The novel mechanical guide rail type one-dimensional linear motion platform as claimed in claim 1, further comprising a buffer member, wherein the buffer member is disposed at an edge of the base, close to the driving assembly, and is used for buffering the motion platform moving to the edge.
6. The novel mechanical guide-type one-dimensional linear motion platform as claimed in claim 1, wherein the protruding portion has a curved mounting surface that matches a surface of the rolling member to form a surface contact.
7. The novel mechanical guide rail type one-dimensional linear motion platform as claimed in claim 7, wherein the second and third surfaces are further provided with mounting grooves for facilitating mounting of the sliding block.
CN202010779966.5A 2020-08-05 2020-08-05 Novel mechanical guide rail type one-dimensional linear motion platform Pending CN111997996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010779966.5A CN111997996A (en) 2020-08-05 2020-08-05 Novel mechanical guide rail type one-dimensional linear motion platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010779966.5A CN111997996A (en) 2020-08-05 2020-08-05 Novel mechanical guide rail type one-dimensional linear motion platform

Publications (1)

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CN111997996A true CN111997996A (en) 2020-11-27

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2089443A (en) * 1980-12-12 1982-06-23 Teramachi Hiroshi Roller bearing unit for guiding a linear movement and method of mounting the same
FR2503007A1 (en) * 1981-04-03 1982-10-08 Cef Centre Etd Fraisage Lateral location slide-guide on table - uses aligned holes to locate pin with radially flanged end and normal threaded hole for clamping bolt
JPH01140936A (en) * 1987-10-14 1989-06-02 Chiron Werke Gmbh & Co Kg Machine tool
CN102528473A (en) * 2012-03-05 2012-07-04 广东工业大学 Coaxial macro/micro combined linear motion platform device
DE102011080749A1 (en) * 2011-08-10 2013-02-14 Aktiebolaget Skf Profile rail wagon for linear movement on profile rail in roller bearing guidance utilized for e.g. transporting heavy machine parts, has raceway and one of rolling bodies formed such that raceway rests on bodies along tangent line
CN103133529A (en) * 2013-03-22 2013-06-05 常州市中锐达精密机械有限公司 Linear guide rail applicable to high-load occasions
JP2013213550A (en) * 2012-04-03 2013-10-17 Hikari Dendoki Co Ltd Table device
CN103934723A (en) * 2014-04-23 2014-07-23 清华大学 Controllable adjusting and measuring device of ball screw pretightening force and pretensioning amount
CN205506855U (en) * 2016-01-17 2016-08-24 沈阳利源轨道交通装备有限公司 Track height adjusting mechanism
CN208443301U (en) * 2018-07-04 2019-01-29 北京创思工贸有限公司 It is a kind of can rapid survey any angle prism rise device
CN109973521A (en) * 2019-04-07 2019-07-05 苏州华正工业科技有限公司 A kind of high guiding performance pearl, column mixing roll narrow linear guide

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2089443A (en) * 1980-12-12 1982-06-23 Teramachi Hiroshi Roller bearing unit for guiding a linear movement and method of mounting the same
FR2503007A1 (en) * 1981-04-03 1982-10-08 Cef Centre Etd Fraisage Lateral location slide-guide on table - uses aligned holes to locate pin with radially flanged end and normal threaded hole for clamping bolt
JPH01140936A (en) * 1987-10-14 1989-06-02 Chiron Werke Gmbh & Co Kg Machine tool
DE102011080749A1 (en) * 2011-08-10 2013-02-14 Aktiebolaget Skf Profile rail wagon for linear movement on profile rail in roller bearing guidance utilized for e.g. transporting heavy machine parts, has raceway and one of rolling bodies formed such that raceway rests on bodies along tangent line
CN102528473A (en) * 2012-03-05 2012-07-04 广东工业大学 Coaxial macro/micro combined linear motion platform device
JP2013213550A (en) * 2012-04-03 2013-10-17 Hikari Dendoki Co Ltd Table device
CN103133529A (en) * 2013-03-22 2013-06-05 常州市中锐达精密机械有限公司 Linear guide rail applicable to high-load occasions
CN103934723A (en) * 2014-04-23 2014-07-23 清华大学 Controllable adjusting and measuring device of ball screw pretightening force and pretensioning amount
CN205506855U (en) * 2016-01-17 2016-08-24 沈阳利源轨道交通装备有限公司 Track height adjusting mechanism
CN208443301U (en) * 2018-07-04 2019-01-29 北京创思工贸有限公司 It is a kind of can rapid survey any angle prism rise device
CN109973521A (en) * 2019-04-07 2019-07-05 苏州华正工业科技有限公司 A kind of high guiding performance pearl, column mixing roll narrow linear guide

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Application publication date: 20201127